Heating system and control

Electric heating – Heating devices – With current connection and/or disconnection means

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Details

219512, 219510, 219364, 337337, 337340, 337383, 337363, H05B 102

Patent

active

043284078

ABSTRACT:
An electric heating system employs a control unit including means to connect a resistance heater to a three pole power source and a switch to switch the connections between full voltage and low voltage as temperature is more than or less than several degrees colder than the set temperature. More uniform heating, greater comfort and significant energy savings results.

REFERENCES:
patent: 2850610 (1958-09-01), Kasuga
patent: 3026393 (1962-03-01), Quirk
patent: 3070684 (1962-12-01), Turner
patent: 3257544 (1966-06-01), Benjamin, Jr.
patent: 4110600 (1978-08-01), Spotts et al.
patent: 4112406 (1978-09-01), Hickling
patent: 4170729 (1979-10-01), Lane et al.

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